* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
}

.video-section {
    width: 100%;
    margin-bottom: 0;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-video {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    display: block;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 10;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.main-title {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
    color: #a0a0a0;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.headlines-section {
    margin-bottom: 1rem;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.headlines-title {
    font-size: 1.5rem;
    color: #ff6b6b;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.headlines-ticker {
    position: relative;
    overflow: hidden;
    height: 50px;
    display: flex;
    align-items: center;
}

.headlines-content {
    display: flex;
    animation: scroll 60s linear infinite;
    white-space: nowrap;
}

.headline {
    display: inline-block;
    padding-right: 4rem;
    font-size: 1.1rem;
    color: #fff;
    font-weight: 500;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.headline:hover {
    opacity: 1;
    color: #4ecdc4;
}

@keyframes scroll {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

.theories-list-section {
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.theories-list-title {
    font-size: 2rem;
    color: #4ecdc4;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.theories-list {
    display: grid;
    gap: 1rem;
}

.theory-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.theory-item:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.3);
    transform: translateX(10px);
}

.theory-item-number {
    font-size: 1.1rem;
    color: #ff6b6b;
    font-weight: 700;
    margin-right: 1.5rem;
    min-width: 40px;
    text-align: center;
}

.theory-item-text {
    font-size: 1rem;
    color: #fff;
    font-weight: 500;
    line-height: 1.4;
}

.theory-item:hover .theory-item-text {
    color: #4ecdc4;
}

.theories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    perspective: 1000px;
}

.theory-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 0;
    position: relative;
    cursor: pointer;
    transform-style: preserve-3d;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(20px);
    overflow: hidden;
    animation: floatIn 1s ease-out forwards;
    opacity: 0;
    transform: translateY(50px) rotateX(10deg);
    height: 300px;
}

.theory-box:nth-child(1) { animation-delay: 0.1s; }
.theory-box:nth-child(2) { animation-delay: 0.2s; }
.theory-box:nth-child(3) { animation-delay: 0.3s; }
.theory-box:nth-child(4) { animation-delay: 0.4s; }
.theory-box:nth-child(5) { animation-delay: 0.5s; }
.theory-box:nth-child(6) { animation-delay: 0.6s; }
.theory-box:nth-child(7) { animation-delay: 0.7s; }
.theory-box:nth-child(8) { animation-delay: 0.8s; }
.theory-box:nth-child(9) { animation-delay: 0.9s; }
.theory-box:nth-child(10) { animation-delay: 1s; }

.theory-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 15px;
}

.theory-box:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 50px rgba(255, 107, 107, 0.1);
}

.theory-box:hover::before {
    opacity: 1;
}

.theory-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.theory-box:hover .theory-image {
    opacity: 1;
    transform: scale(1.05);
}

.theory-content {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

.theory-number {
    font-size: 0.9rem;
    color: #ff6b6b;
    font-weight: 700;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.theory-title {
    font-size: 1rem;
    line-height: 1.3;
    font-weight: 600;
    margin-bottom: 0;
    color: #fff;
    transition: color 0.3s ease;
}

.theory-box:hover .theory-title {
    color: #4ecdc4;
}

.theory-icon {
    font-size: 1.5rem;
    position: absolute;
    top: 1rem;
    right: 1rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    transform: scale(1);
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem;
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.theory-box:hover .theory-icon {
    opacity: 0.8;
    transform: scale(1.2) rotate(10deg);
}

.images-gallery {
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.gallery-title {
    font-size: 2rem;
    color: #4ecdc4;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-image-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-image-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 107, 0.3);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: all 0.3s ease;
}

.gallery-image-item:hover .gallery-image {
    transform: scale(1.05);
}

.image-number {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 2;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.image-keywords {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-image-item:hover .image-keywords {
    opacity: 1;
}

.keyword {
    background: rgba(255, 107, 107, 0.9);
    color: #fff;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-align: center;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-particles::before,
.floating-particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s linear infinite;
}

.floating-particles::before {
    top: 10%;
    left: 20%;
    animation-delay: -5s;
}

.floating-particles::after {
    top: 80%;
    right: 30%;
    animation-delay: -10s;
}

.guessing-game-section {
    margin-bottom: 2rem;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.guessing-game-title {
    font-size: 2rem;
    color: #96ceb4;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.guessing-game-subtitle {
    font-size: 1.1rem;
    color: #a0a0a0;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 300;
}

.theory-explanations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.explanation-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.explanation-card:hover {
    background: rgba(150, 206, 180, 0.1);
    border-color: rgba(150, 206, 180, 0.3);
    transform: translateY(-2px);
}

.explanation-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #96ceb4, #4ecdc4);
    color: #000;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.explanation-text {
    font-size: 1rem;
    line-height: 1.6;
    color: #fff;
    margin-bottom: 1.5rem;
    padding-right: 3rem;
}

.reveal-btn {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.reveal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.reveal-btn:active {
    transform: translateY(0);
}

.revealed {
    background: rgba(76, 175, 80, 0.2) !important;
    border-color: rgba(76, 175, 80, 0.5) !important;
}

.revealed .reveal-btn {
    background: #4caf50;
    cursor: default;
}

.revealed .reveal-btn:hover {
    transform: none;
    box-shadow: none;
}

.sorting-exercise-section {
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.exercise-title {
    font-size: 2rem;
    color: #4ecdc4;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.exercise-instructions {
    font-size: 1.1rem;
    color: #a0a0a0;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 300;
    line-height: 1.5;
}

.statements-container {
    margin-bottom: 2rem;
}

.statements-title {
    font-size: 1.3rem;
    color: #ff6b6b;
    margin-bottom: 1rem;
    font-weight: 600;
}

.statements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.statement-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 1rem;
    cursor: grab;
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    user-select: none;
}

.statement-card:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.3);
    transform: translateY(-2px);
}

.statement-card.dragging {
    opacity: 0.5;
    cursor: grabbing;
    transform: rotate(5deg);
}

.statement-number {
    color: #ff6b6b;
    font-weight: 700;
    min-width: 20px;
}

.statement-text {
    color: #fff;
    font-size: 0.95rem;
    line-height: 1.4;
}

.sorting-chart {
    margin-bottom: 2rem;
}

.chart-title {
    font-size: 1.5rem;
    color: #96ceb4;
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.sorting-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.sorting-column {
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem;
    min-height: 300px;
    transition: all 0.3s ease;
}

.sorting-column.drag-over {
    border-color: #4ecdc4;
    background: rgba(78, 205, 196, 0.1);
    transform: scale(1.02);
}

.column-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

#facts-column .column-title {
    color: #4caf50;
}

#opinions-column .column-title {
    color: #ff9800;
}

#claims-column .column-title {
    color: #f44336;
}

.column-description {
    font-size: 0.85rem;
    color: #a0a0a0;
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.3;
    font-style: italic;
}

.drop-zone {
    min-height: 200px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.exercise-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.reset-btn, .check-answers-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.reset-btn {
    background: linear-gradient(45deg, #ff6b6b, #f44336);
    color: #fff;
}

.check-answers-btn {
    background: linear-gradient(45deg, #4caf50, #45a049);
    color: #fff;
}

.reset-btn:hover, .check-answers-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.statement-card.correct {
    border-color: #4caf50 !important;
    background: rgba(76, 175, 80, 0.2) !important;
}

.statement-card.incorrect {
    border-color: #f44336 !important;
    background: rgba(244, 67, 54, 0.2) !important;
}

.page-index {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    text-align: center;
}

.index-title {
    font-size: 1.8rem;
    color: #4ecdc4;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.index-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.index-link {
    display: block;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.index-link:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.3);
    color: #4ecdc4;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.print-btn {
    background: linear-gradient(45deg, #96ceb4, #4ecdc4);
    color: #fff;
}

.questionnaire-section {
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.questionnaire-title {
    font-size: 2rem;
    color: #45b7d1;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.questionnaire-instructions {
    font-size: 1.1rem;
    color: #a0a0a0;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 300;
    line-height: 1.5;
}

.questionnaire-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.questionnaire-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.questionnaire-item:hover {
    background: rgba(69, 183, 209, 0.1);
    border-color: rgba(69, 183, 209, 0.3);
}

.question-letter {
    font-size: 1.1rem;
    color: #45b7d1;
    font-weight: 700;
    margin-right: 0.5rem;
}

.question-text {
    font-size: 1rem;
    color: #fff;
    font-weight: 500;
    line-height: 1.4;
    display: block;
    margin-bottom: 1rem;
}

.rating-option input[type="radio"]:checked + .rating-number {
    background: linear-gradient(45deg, #45b7d1, #4ecdc4);
    border-color: #45b7d1;
    color: #000;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(69, 183, 209, 0.5);
}

.question-number {
    font-size: 1.1rem;
    color: #45b7d1;
    font-weight: 700;
    margin-right: 0.5rem;
}

.checkbox-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.checkbox-option:hover {
    background: rgba(69, 183, 209, 0.1);
}

.checkbox-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #45b7d1;
    cursor: pointer;
}

.checkbox-label {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
}

.frequency-options {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.frequency-option {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.frequency-option:hover {
    background: rgba(69, 183, 209, 0.2);
    border-color: rgba(69, 183, 209, 0.5);
    transform: translateY(-2px);
}

.frequency-option input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: #45b7d1;
    cursor: pointer;
}

.frequency-option input[type="radio"]:checked {
    transform: scale(1.2);
}

.frequency-option:has(input:checked) {
    background: linear-gradient(45deg, #45b7d1, #4ecdc4);
    border-color: #45b7d1;
    color: #000;
    box-shadow: 0 0 15px rgba(69, 183, 209, 0.5);
}

.frequency-option:has(input:checked) .frequency-label {
    color: #000;
    font-weight: 700;
}

.frequency-label {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
}

.questionnaire-controls {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.print-questionnaire-btn {
    background: linear-gradient(45deg, #45b7d1, #4ecdc4);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.print-questionnaire-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(69, 183, 209, 0.3);
}

@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-family: Arial, sans-serif;
    }
    
    .print-wrapper {
        max-width: 100%;
        margin: 0;
        padding: 20px;
    }
    
    .print-wrapper h1 {
        color: black !important;
        text-align: center;
        margin-bottom: 30px;
        font-size: 24px;
    }
    
    .sorting-exercise-section {
        background: white !important;
        border: 2px solid black !important;
        border-radius: 0 !important;
        backdrop-filter: none !important;
    }
    
    .statement-card {
        background: white !important;
        border: 1px solid black !important;
        margin-bottom: 10px;
    }
    
    .sorting-column {
        background: white !important;
        border: 2px solid black !important;
        page-break-inside: avoid;
    }
    
    .exercise-controls {
        display: none !important;
    }
    
    .drop-zone {
        min-height: 150px;
        border: 1px dashed black !important;
    }
    
    .questionnaire-section {
        background: white !important;
        border: 2px solid black !important;
        border-radius: 0 !important;
        backdrop-filter: none !important;
    }
    
    .questionnaire-item {
        background: white !important;
        border: 1px solid black !important;
        margin-bottom: 15px;
        page-break-inside: avoid;
    }
    
    .rating-scale {
        display: flex !important;
        gap: 10px;
        justify-content: center;
        margin: 10px 0;
    }
    
    .rating-option {
        border: 1px solid black !important;
        padding: 5px;
        margin: 2px;
    }
    
    .checkbox-options, .frequency-options {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin: 10px 0;
    }
    
    .questionnaire-controls {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .theories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .theory-box {
        padding: 0;
    }
    
    .theory-icon {
        top: 1rem;
        right: 1rem;
        font-size: 1.5rem;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .theory-explanations {
        grid-template-columns: 1fr;
    }
    
    .explanation-card {
        padding: 1.2rem;
    }
    
    .explanation-text {
        padding-right: 2rem;
    }
    
    .sorting-columns {
        grid-template-columns: 1fr;
    }
    
    .statements-list {
        grid-template-columns: 1fr;
    }
    
    .exercise-controls {
        flex-direction: column;
        align-items: center;
    }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes floatIn {
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection styling */
::selection {
    background: rgba(255, 107, 107, 0.3);
    color: #fff;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 107, 107, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 107, 107, 0.5);
}